Next we see assembly and disassembly of tubulin. This interesting sequence is followed by my favorite segment, which is kinesin dragging an endosomalvesicle along a microtubule as kinesin-bigfoot 'walks' along the tubulin that is radiating from a centriole pair. A fellow kinesin, in the background, actively transports an endosome in the opposite direction.

Further translation injects a nascent protein chain through a pore into the endoplasmic reticulum as 'bigfoot' continues to clomp along tubulin, dragging a vesicle behind. Next, we see the Golgi apparatus budding vesicles before our plodding kinesin reaches the plasma membrane and proteins are released into the ECF by exocytosis. The newly synthesized integrins float on a lipid raft before unfolding into their active conformation, whereupon they snare a passing leukocyte and induce extravasation."

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